package Year22_Month03.day15;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            String s = sc.nextLine();
            StringBuilder myString = new StringBuilder(s);
            System.out.println(myString.reverse());
        }
    }
}
